test/php/Nominatim/NearPointTest.php

   1 <?php
   2
   3 namespace Nominatim;
   4
   5 require '../../lib/NearPoint.php';
   6
   7 class NearPointTest extends \PHPUnit_Framework_TestCase
   8 {
   9
  10
  11     protected function setUp()
  12     {
  13     }
  14
  15     public function testExtractFromQuery()
  16     {
  17         // no coordinates expected
  18         $this->assertFalse(NearPoint::extractFromQuery(''));
  19         $this->assertFalse(NearPoint::extractFromQuery('abc'));
  20         $this->assertFalse(NearPoint::extractFromQuery('12 34'));
  21         $this->assertFalse(NearPoint::extractFromQuery('200.1 89.9')); // because latitude > 180
  22
  23         // coordinates expected
  24         $this->assertNotNull(NearPoint::extractFromQuery('0.0 -0.0'));
  25
  26         $aRes = NearPoint::extractFromQuery(' abc 12.456 -78.90 def ');
  27         $this->assertEquals($aRes['pt']->lat(), 12.456);
  28         $this->assertEquals($aRes['pt']->lon(), -78.90);
  29         $this->assertEquals($aRes['pt']->radius(), 0.1);
  30         $this->assertEquals($aRes['query'], 'abc def');
  31
  32         $aRes = NearPoint::extractFromQuery(' [12.456,-78.90] ');
  33         $this->assertEquals($aRes['pt']->lat(), 12.456);
  34         $this->assertEquals($aRes['pt']->lon(), -78.90);
  35         $this->assertEquals($aRes['pt']->radius(), 0.1);
  36         $this->assertEquals($aRes['query'], '');
  37
  38         $aRes = NearPoint::extractFromQuery(' -12.456,-78.90 ');
  39         $this->assertEquals($aRes['pt']->lat(), -12.456);
  40         $this->assertEquals($aRes['pt']->lon(), -78.90);
  41
  42         // http://en.wikipedia.org/wiki/Geographic_coordinate_conversion
  43         // these all represent the same location
  44         $aQueries = array(
  45                      '40 26.767 N 79 58.933 W',
  46                      '40° 26.767′ N 79° 58.933′ W',
  47                      "40° 26.767' N 79° 58.933' W",
  48                      'N 40 26.767, W 79 58.933',
  49                      'N 40°26.767′, W 79°58.933′',
  50                      "N 40°26.767', W 79°58.933'",
  51
  52                      '40 26 46 N 79 58 56 W',
  53                      '40° 26′ 46″ N 79° 58′ 56″ W',
  54                      'N 40 26 46 W 79 58 56',
  55                      'N 40° 26′ 46″, W 79° 58′ 56″',
  56                      'N 40° 26\' 46", W 79° 58\' 56"',
  57
  58                      '40.446 -79.982',
  59                      '40.446,-79.982',
  60                      '40.446° N 79.982° W',
  61                      'N 40.446° W 79.982°',
  62
  63                      '[40.446 -79.982]',
  64                      '       40.446  ,   -79.982     ',
  65                     );
  66
  67
  68         foreach ($aQueries as $sQuery) {
  69             $aRes = NearPoint::extractFromQuery($sQuery);
  70             $this->assertEquals(40.446, $aRes['pt']->lat(), 'degrees decimal ' . $sQuery, 0.01);
  71             $this->assertEquals(-79.982, $aRes['pt']->lon(), 'degrees decimal ' . $sQuery, 0.01);
  72             $this->assertEquals('', $aRes['query']);
  73         }
  74     }
  75
  76     public function testWithinSQL()
  77     {
  78         $np = new NearPoint(0.1, 23, 1);
  79
  80         $this->assertEquals(
  81             'ST_DWithin(foo, ST_SetSRID(ST_Point(23,0.1),4326), 1.000000)',
  82             $np->withinSQL('foo')
  83         );
  84     }
  85
  86     public function testDistanceSQL()
  87     {
  88         $np = new NearPoint(0.1, 23, 1);
  89
  90         $this->assertEquals(
  91             'ST_Distance(ST_SetSRID(ST_Point(23,0.1),4326), foo)',
  92             $np->distanceSQL('foo')
  93         );
  94     }
  95 }